Abstract

Beryllium occurs as bertrandite in quartz-adularia-calcite veins cutting a quartz-monzonite stock. These veins have abnormal contents only of Be, Fe, Mg, Ba, and Sr. Other veins in the same belt are sulfide-bearing, with high Mn, Ba, Bi, As, Ag, Pb, Cu, Zn, Ti, Mo, W. Geochemical considerations and mineralogy of deposits suggest introduction of Be as carbonate or chlorocarbonate complex.

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